Though the teacher had tried to make the problem easy _______, still Lily and her partner were at a loss.
| A．understood | B．understanding | C．to understand | D．to be understood |
－Sorry, I made a mistake again.
－_______. Practice more and you’ll succeed.
| A．Never mind | B．Certainly not | C．Not at all | D．Don’t mention it |
－Are you coming to the English evening?
－I’m not sure. I go to the concert instead.
| A．must | B．might | C．should | D．would |
The living room is clean and tidy, with a dining table already ______ for a meal to be cooked.
| A．laid | B．laying | C．to lay | D．being laid |
The way the boss treats his men makes many people angry.
| A．where | B．which | C．what | D．in which |
This is the house the window faces south.
| A．of which | B．which | C．of it | D．whose |